sass · nex3 · Feb 11, 2026 · Jan 5, 2026 · Jan 6, 2026 · Jan 6, 2026
diff --git a/.eslintignore b/.eslintignore
diff --git a/.eslintrc b/.eslintrc
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## 1.97.3
+
+* Fix a bug where nesting an at-rule within multiple style rules in plain CSS
+  could cause outer style rules to be omitted.
+
+## 1.97.2
+
+* Additional fixes for implicit configuration when nested imports are involved.
+
 ## 1.97.1
 
 * Fix a bug with the new CSS-style `if()` syntax where values would be evaluated

diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -0,0 +1,38 @@
+import {defineConfig, globalIgnores} from 'eslint/config';
+import tseslint from 'typescript-eslint';
+import gts from 'gts';
+
+export default defineConfig([
+  globalIgnores([
+    '**/build/',
+    '**/dist/',
+    '**/language/',
+    '**/_types/',
+    'lib/src/vendor/',
+    '**/*.js',
+  ]),
+  {
+    extends: [tseslint.configs.recommended, gts],
+
+    rules: {
+      '@typescript-eslint/explicit-function-return-type': [
+        'error',
+        {allowExpressions: true},
+      ],
+      'n/no-extraneous-require': ['error', {allowModules: ['sass']}],
+      'func-style': ['error', 'declaration'],
+      'prefer-const': ['error', {destructuring: 'all'}],
+      'sort-imports': ['error', {ignoreDeclarationSort: true}],
+      '@typescript-eslint/no-unused-vars': [
+        'error',
+        {
+          args: 'none',
+          argsIgnorePattern: '^_',
+          caughtErrorsIgnorePattern: '^_',
+          destructuredArrayIgnorePattern: '^_',
+          varsIgnorePattern: '^_',
+        },
+      ],
+    },
+  },
+]);
diff --git a/lib/src/compiler/async.ts b/lib/src/compiler/async.ts
@@ -159,7 +159,7 @@ export class AsyncCompiler {
   }
 
   /** Initialize resources shared across compilations. */
-  constructor(flag: Symbol | undefined) {
+  constructor(flag: symbol | undefined) {
     if (flag !== initFlag) {
       throw utils.compilerError(
         'AsyncCompiler can not be directly constructed. ' +

diff --git a/lib/src/compiler/sync.ts b/lib/src/compiler/sync.ts
@@ -173,7 +173,7 @@ export class Compiler {
   }
 
   /** Initialize resources shared across compilations. */
-  constructor(flag: Symbol | undefined) {
+  constructor(flag: symbol | undefined) {
     if (flag !== initFlag) {
       throw utils.compilerError(
         'Compiler can not be directly constructed. ' +

diff --git a/lib/src/deprecations.ts b/lib/src/deprecations.ts
@@ -31,7 +31,7 @@ export function getDeprecationIds(
  * This is used to determine which options to use when handling host-side
  * deprecation warnings that aren't explicitly tied to a particular compilation.
  */
-export const activeDeprecationOptions: Map<Symbol, DeprecationOptions> =
+export const activeDeprecationOptions: Map<symbol, DeprecationOptions> =
   new Map();
 
 /**

diff --git a/lib/src/legacy/importer.ts b/lib/src/legacy/importer.ts
@@ -70,9 +70,9 @@ interface PreviousUrl {
  * A wrapper around a `LegacyImporter` callback that exposes it as a new-API
  * `Importer`.
  */
-export class LegacyImporterWrapper<sync extends 'sync' | 'async'>
-  implements Importer<sync>
-{
+export class LegacyImporterWrapper<
+  sync extends 'sync' | 'async',
+> implements Importer<sync> {
   // A stack of previous URLs passed to `this.callbacks`.
   private readonly prev: PreviousUrl[] = [];
 

diff --git a/lib/src/packet-transformer.ts b/lib/src/packet-transformer.ts
@@ -4,7 +4,6 @@
 
 import {Observable, Subject} from 'rxjs';
 import {mergeMap} from 'rxjs/operators';
-import BufferBuilder = require('buffer-builder');
 
 /**
  * Decodes arbitrarily-chunked buffers, for example
@@ -57,18 +56,20 @@ export class PacketTransformer {
 
       // Write the length in varint format, 7 bits at a time from least to most
       // significant.
-      const header = new BufferBuilder(8);
+      const header = Buffer.alloc(8);
+      let offset = 0;
       while (length > 0) {
         // The highest-order bit indicates whether more bytes are necessary to
         // fully express the number. The lower 7 bits indicate the number's
         // value.
-        header.appendUInt8((length > 0x7f ? 0x80 : 0) | (length & 0x7f));
+        header.writeUInt8((length > 0x7f ? 0x80 : 0) | (length & 0x7f), offset);
+        offset++;
         length >>= 7;
       }
 
-      const packet = Buffer.alloc(header.length + protobuf.length);
-      header.copy(packet);
-      packet.set(protobuf, header.length);
+      const packet = Buffer.alloc(offset + protobuf.length);
+      header.copy(packet, 0, 0, offset);
+      packet.set(protobuf, offset);
       this.writeInboundBuffer(packet);
     } catch (error) {
       this.outboundProtobufsInternal$.error(error);

diff --git a/lib/src/protofier.ts b/lib/src/protofier.ts
@@ -189,7 +189,7 @@ export class Protofier {
   /** Converts a CalculationValue that appears within a `SassCalculation` to
    * its protocol buffer representation. */
   private protofyCalculationValue(
-    value: Object,
+    value: object,
   ): proto.Value_Calculation_CalculationValue {
     const result = create(proto.Value_Calculation_CalculationValueSchema, {});
     if (value instanceof SassCalculation) {

diff --git a/lib/src/value/calculations.ts b/lib/src/value/calculations.ts
@@ -126,6 +126,10 @@ export class CalculationOperation implements ValueObject {
   hashCode(): number {
     return hash(this.operator) ^ hash(this.left) ^ hash(this.right);
   }
+
+  toString(): string {
+    return `${this.left} ${this.operator} ${this.right}`;
+  }
 }
 
 export class CalculationInterpolation implements ValueObject {
@@ -140,4 +144,8 @@ export class CalculationInterpolation implements ValueObject {
   hashCode(): number {
     return hash(this.value);
   }
+
+  toString(): string {
+    return `#{${this.value}}`;
+  }
 }
diff --git a/npm/all-unknown/package.json b/npm/all-unknown/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-all-unknown",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The pure js optional dependency for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
@@ -12,6 +12,6 @@
     "!x64"
   ],
   "dependencies": {
-    "sass": "1.97.1"
+    "sass": "1.97.3"
   }
 }
diff --git a/npm/android-arm/package.json b/npm/android-arm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-android-arm",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The android-arm binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/android-arm64/package.json b/npm/android-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-android-arm64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The android-arm64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/android-riscv64/package.json b/npm/android-riscv64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-android-riscv64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The android-riscv64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/android-x64/package.json b/npm/android-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-android-x64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The android-x64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/darwin-arm64/package.json b/npm/darwin-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-darwin-arm64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The darwin-arm64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/darwin-x64/package.json b/npm/darwin-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-darwin-x64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The darwin-x64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/linux-arm/package.json b/npm/linux-arm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-arm",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The linux-arm binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/linux-arm64/package.json b/npm/linux-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-arm64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The linux-arm64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/linux-musl-arm/package.json b/npm/linux-musl-arm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-musl-arm",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The linux-musl-arm binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/linux-musl-arm64/package.json b/npm/linux-musl-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-musl-arm64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The linux-musl-arm64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/linux-musl-riscv64/package.json b/npm/linux-musl-riscv64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-musl-riscv64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The linux-musl-riscv64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/linux-musl-x64/package.json b/npm/linux-musl-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-musl-x64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The linux-musl-x64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/linux-riscv64/package.json b/npm/linux-riscv64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-riscv64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The linux-riscv64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/linux-x64/package.json b/npm/linux-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-linux-x64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The linux-x64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/unknown-all/package.json b/npm/unknown-all/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-unknown-all",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The pure js optional dependency for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",
@@ -12,6 +12,6 @@
     "!win32"
   ],
   "dependencies": {
-    "sass": "1.97.1"
+    "sass": "1.97.3"
   }
 }
diff --git a/npm/win32-arm64/package.json b/npm/win32-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-win32-arm64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The win32-arm64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",

diff --git a/npm/win32-x64/package.json b/npm/win32-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sass-embedded-win32-x64",
-  "version": "1.97.1",
+  "version": "1.97.3",
   "description": "The win32-x64 binary for sass-embedded",
   "repository": "sass/embedded-host-node",
   "author": "Google Inc.",